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udf: Fix preallocation discarding at indirect extent boundary
authorJan Kara <jack@suse.cz>
Wed, 7 Dec 2022 16:25:10 +0000 (17:25 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 21 Dec 2022 16:32:06 +0000 (17:32 +0100)
commit1a075f4a549481ce6e8518d8379f193ccec6b746
treef8191ddfb5527c1e641986ca314e983087108379tree | snapshot
parent1f7f7365aee8a3f34d6b273c332544619b860cdacommit | diff
udf: Fix preallocation discarding at indirect extent boundary

commit cfe4c1b25dd6d2f056afc00b7c98bcb3dd0b1fc3 upstream.

When preallocation extent is the first one in the extent block, the
code would corrupt extent tree header instead. Fix the problem and use
udf_delete_aext() for deleting extent to avoid some code duplication.

CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/udf/truncate.c diff | blob | history
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